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SubjectRe: send_head NULL in xmit_timer

Paul Gortmaker <> writes:
>- From, 4 Jun 1996 21:02:45 GMT
>> On 1.99.12, this firewalling rule
>> ipfwadm -O -a reject -P tcp -S -D 22
>> will cause a kernel log of
>> Error: send_head NULL in xmit_timer
>> on any
>> telnet localhost 22
>Not limited to firewall stuff, as I just got a "send_head NULL in FIN_WAIT1"
>from ipv4/tcp_input.c (line 1242) with only CSLIP and ether active. Can't
>say what activity caused it. (1.99.12, gcc-2.7.2, a.out)

I think we've got this one nailed. I'll be sending Alan a patch in a
few hours.

-- eric

Eric Schenk www:
Department of Computer Science email:
University of Toronto

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